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401055560 = 23510026389
BaseRepresentation
bin10111111001111…
…001111101001000
31000221122201210122
4113321321331020
51310132234220
6103444002412
712636626123
oct2771717510
91027581718
10401055560
11196426a84
12b2390408
1365120ba9
143b39b3ba
1525321425
hex17e79f48

401055560 has 16 divisors (see below), whose sum is σ = 902375100. Its totient is φ = 160422208.

The previous prime is 401055533. The next prime is 401055601. The reversal of 401055560 is 65550104.

It can be written as a sum of positive squares in 2 ways, for example, as 401040676 + 14884 = 20026^2 + 122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5013155 + ... + 5013234.

Almost surely, 2401055560 is an apocalyptic number.

401055560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401055560 is an abundant number, since it is smaller than the sum of its proper divisors (501319540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401055560 is a wasteful number, since it uses less digits than its factorization.

401055560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026400 (or 10026396 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 401055560 is about 20026.3716134501. The cubic root of 401055560 is about 737.4538498365.

The spelling of 401055560 in words is "four hundred one million, fifty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 10026389 20052778 40105556 50131945 80211112 100263890 200527780 401055560